When Aaron Hernandez was found hanging from a bedsheet in a maximum security prison cell in Massachusetts, he joined a growing number of former football players who’d taken their own lives. But he was the only one who left a trail of bodies in his wake. Spotlight investigates how Hernandez’s personal life spiralled out of control even as he rocketed to NFL stardom. His teammates on the Patriots were never sure whether he was a goofball who took a special kind of thrill in unnerving them, or whether he was truly dangerous.